ul {
  padding: 0;
}
li {
  margin-bottom: 2em;
  list-style-type: none;
}
code {
  border: 1px dotted gray;
  background-color: #E0E0E0;
  padding: 1px;
  white-space: pre-wrap;
  display: inline-block;
  word-break: keep-all;
  width: 100%;
}
h1 {
  font-size: 30px;
  font-style: italic;
}
h2 {
  font-size: 23px;
  border-bottom: 1px dotted gray;
}